#25404F#25404F

#25404F is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.042 H 234.0°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#25404F
RGB	rgb(37, 64, 79)
HSL	hsl(201, 36%, 23%)
HSV	hsv(201, 53%, 31%)
CMYK	cmyk(53.2%, 19%, 0%, 69%)
CIE-LAB	lab(25.64, -5.45, -12.25)
CIE-LCH	lch(25.64, 13.40, 246.03°)
OKLab	oklab(35.67% -0.0247 -0.034)
OKLCH	oklch(35.67% 0.042 234)
XYZ	xyz(4.0071, 4.6243, 8.0770)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25404F #4F3425

analogous

#254F49 #25404F #252B4F

triadic

#25404F #4F2540 #404F25

tetradic

#25404F #49254F #4F3425 #2B4F25

square

#25404F #49254F #4F3425 #2B4F25

split-complementary

#25404F #4F252B #4F4925

monochromatic

#0A1115 #111E25 #25404F #396279 #4C84A2

Accessibility & contrast

On white

10.91

#25404F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#25404F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25404F

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25404F	#FFFFFF	#000000	##FFFFFF
##25404F	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393F50

Deuteranopia (green-blind)

#333B4F

Tritanopia (blue-blind)

#104445

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #25404f;
/* rgb */ color: rgb(37, 64, 79);
/* oklch */ color: oklch(35.7% 0.042 234.0);

Tailwind

colors: {
  custom: {
    50: '#637480',
    500: '#25404f',
    950: '#000000',
  },
}

SCSS

$custom: #25404f;
$custom-light: #637480;
$custom-dark: #000000;

JSON

{
  "hex": "#25404f",
  "rgb": {
    "r": 37,
    "g": 64,
    "b": 79
  },
  "hsl": {
    "h": 201.429,
    "s": 36.207,
    "l": 22.745
  },
  "oklch": {
    "l": 0.35666,
    "c": 0.042,
    "h": 234
  },
  "luminance": 0.04625
}

Semantic roles & 50–950 ramp

primary

#25404F

secondary

#82604E

accent

#845CCC

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#05080A

muted

#7A7B7C

Preview Lab

Preview with #25404F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →